gcp_storage_get_object_metadata

Get metadata of an object in a bucket

SERVERGCP MCP Server SOURCEahmedselimmansor-ctrl/gcp_mcp_server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-storage-get-object-metadata.md

WHAT IT DOES

What gcp_storage_get_object_metadata does on GCP MCP Server

AI agents call gcp_storage_get_object_metadata to retrieve information from GCP MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why gcp_storage_get_object_metadata is rated Low

This tool retrieves metadata about a Cloud Storage object without modifying, executing, or deleting anything. The operation is informational only, making it the lowest-risk category. The low severity reflects minimal blast radius if misused by an agent—it can only access metadata that is being queried, not modify infrastructure or trigger external operations.

From the tool's definition Tool name contains 'get' and description states 'Get metadata of an object in a bucket' — a read-only retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gcp_storage_get_object_metadata safely

PolicyLayer is an MCP gateway: it sits between your AI agents and GCP MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gcp_storage_get_object_metadata, this is the rule to start with:

gcp_storage_get_object_metadata Allowed

gcp_storage_get_object_metadata is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "gcp_storage_get_object_metadata": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect GCP MCP Server, apply this rule, and every gcp_storage_get_object_metadata call is checked against it from then on.

FAQ

Questions about gcp_storage_get_object_metadata

What does the gcp_storage_get_object_metadata tool do? +

Get metadata of an object in a bucket. It is categorised as a Read tool in the GCP MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gcp_storage_get_object_metadata? +

Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_storage_get_object_metadata: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GCP MCP Server. Nothing to install.

What risk level is gcp_storage_get_object_metadata? +

gcp_storage_get_object_metadata is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit gcp_storage_get_object_metadata? +

Yes. Add a rate_limit block to the gcp_storage_get_object_metadata rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block gcp_storage_get_object_metadata completely? +

Set action: deny in the PolicyLayer policy for gcp_storage_get_object_metadata. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides gcp_storage_get_object_metadata? +

gcp_storage_get_object_metadata is provided by the GCP MCP Server MCP server (ahmedselimmansor-ctrl/gcp_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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